/*
* Need two versions because ROMCC chokes on certain clobbers:
- * cache.h:29.71: cache.h:60.24: earlymtrr.c:117.23: romstage.c:144.33:
+ * cache.h:29.71: cache.h:60.24: earlymtrr.c:117.23: romstage.c:144.33:
* 0x1559920 asm Internal compiler error: lhs 1 regcm == 0
*/
asm volatile("invd" ::: "memory");
}
-static inline void enable_cache(void)
+/* The following functions require the always_inline due to AMD
+ * function STOP_CAR_AND_CPU that disables cache as
+ * ram, the cache as ram stack can no longer be used. Called
+ * functions must be inlined to avoid stack usage. Also, the
+ * compiler must keep local variables register based and not
+ * allocated them from the stack. With gcc 4.5.0, some functions
+ * declared as inline are not being inlined. This patch forces
+ * these functions to always be inlined by adding the qualifier
+ * __attribute__((always_inline)) to their declaration.
+ */
+static inline __attribute__((always_inline)) void enable_cache(void)
{
unsigned long cr0;
cr0 = read_cr0();
write_cr0(cr0);
}
-static inline void disable_cache(void)
+static inline __attribute__((always_inline)) void disable_cache(void)
{
/* Disable and write back the cache */
unsigned long cr0;